Morphology Data of Alectis ciliaris
Identification keys
Main Ref. Randall, J.E., G.R. Allen and R.C. Steene, 1990
Appearance refers to
Bones in OsteoBase Skull, Spine

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral short and / or deep
Cross section compressed
Dorsal head profile clearly convex
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth terminal

Description: Body superficially naked, with minute and embedded scales. Body silvery with light metallic bluish tinge dorsally; a small diffuse dark spot on opercle (Ref. 26938); juveniles with five chevron -shaped bars (Ref. 90102). Scales minute and embedded; scutes 12-30 (Ref. 90102). Weakly developed scutes, appearing naked. Only fish in the family that does not have dorsal fin spines throughout life (Ref. 26938). Spines of first dorsal fin embedded and not apparent at fork length greater than about 17cm; spines of first anal fin embedded with growth (Ref. 90102). Anterior 4-5 dorsal and anal soft rays of juveniles extremely long and filamentous (Ref. 48635, Ref. 90102). Villiform teeth disappearing with growth. Body very deep in juveniles about 1.5 in FL, becoming more elongate with growth (Ref. 90102).

Ease of Identification

Meristic characteristics of Alectis ciliaris

Lateral Lines 1 Interrupted: No
Scales on lateral line 120 - 140
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 12 - 17
on upper limb 4 - 6
total 16 - 23


Dorsal fin(s)

Attributes other
Fins number 2
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 7 - 8
Soft-rays total 18 - 22
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 2
Spines total 3 - 3
Soft-rays total 15 - 20

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   18 - 20
Pelvics Attributes  more or less normal
Position    thoracic  before origin of D1
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
Modified by Olisa, Kristine Elaine Paz
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17